gr.uoa.di.madgik.searchlibrary.operatorlibrary.transform
Class TransformOp

java.lang.Object
  gr.uoa.di.madgik.searchlibrary.operatorlibrary.Unary
      gr.uoa.di.madgik.searchlibrary.operatorlibrary.transform.TransformOp

public class TransformOp
extends Unary

This class performs an xslt transformation on the records that it receives as input and produces a new set of records as output, each one of them containing the transformed result

Author:

UoA

Field Summary

Fields inherited from class gr.uoa.di.madgik.searchlibrary.operatorlibrary.Unary

inLocator, operatorParameters, stats, timeout, TimeoutDef, timeUnit, TimeUnitDef

Constructor Summary

TransformOp(URI inLocator, Map<String,String> operatorParameters, StatsContainer stats)
Creates a new TransformOp with the default timeout for the reader and the writer

TransformOp(URI inLocator, Map<String,String> operatorParameters, StatsContainer stats, long timeout, TimeUnit timeUnit)
Creates a new TransformOp with configurable timeout for the reader and the writer

Method Summary

URI	compute() Initiates the transformation procedure

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TransformOp

public TransformOp(URI inLocator,
                   Map<String,String> operatorParameters,
                   StatsContainer stats)
            throws Exception

Creates a new TransformOp with the default timeout for the reader and the writer

Parameters:

inLocator - The locator of the input

operatorParameters - operator parameters containing the name of the Field which contains the payload to apply the transformation on

stats - Statistics

Throws:

Exception

TransformOp

public TransformOp(URI inLocator,
                   Map<String,String> operatorParameters,
                   StatsContainer stats,
                   long timeout,
                   TimeUnit timeUnit)
            throws Exception

Creates a new TransformOp with configurable timeout for the reader and the writer

Parameters:

inLocator - The locator of the input

operatorParameters - operator parameters containing the name of the Field which contains the payload to apply the transformation on

stats - Statistics

timeout - The timeout to be used both by the reader and the writer

timeUnit - The time unit of the timeout used

Throws:

Exception

Method Detail

compute

public URI compute()
            throws Exception

Initiates the transformation procedure

Specified by:

compute in class Unary

Parameters:

xslt - The xslt to be applied

Returns:

The RSLocator pointing to the produced org.gcube.searchservice.searchlibrary.resultset.ResultSet

Throws:

Exception - An unrecoverable for the operation has occured